Patent US2050484A successfully refreshed from Google Patents.
Patent US3144072A successfully refreshed from Google Patents.
US3144072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of long haul waveguide
Assignee: International Standard Electric Corp
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Filing: 1959-06-24
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Granted: 1964-08-11
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Karbowiak Antoni Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:08
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/16; B; B21; B21F; B21F45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
APPARATUS FOR USE IN THE CONTINUOUS MANUFACTURE IN SITU, OF A CIRCULAR WAVEGUIDE FORMED OF A WIRE HELIX COMPRISING A CYLINDRICAL CORE, A PLURALITY OF BALL-RACES MOUNTED IN THE WALL OF SAID CORE SO THAT THEY PROJECT SLIGHTLY FROM THE OUTER SURFACE OF SAID CORE, WINDING MEANS MOUNTED IN A FIXED AXIAL RELATION TO SAID CORE AND A COLLAPSIBLE MANDREL ADAPTED TO BE CARRIED ON SAID BALL-RACES, SAID BALL-RACES AND SAID MANDREL MOVABLE AXIALLY WITH RESPECT TO ONE ANOTHER PROPORTIONATELY TO THE FORMATION OF SAID WAVEGUIDE WITHOUT DISTURBANCE OF THE THUS-FAR FORMED WAVEGUIDE BY VIRTUE OF THE COLLAPSE OF SAID SEGMENTS OF SAID MANDREL AT THE FORWARD END THEREOF, AND THE EXTRACTION OF SAID COLLAPSED SEGMENTS.
Claim 2
Dependent Claim
116 words
APPARATUS FOR USE IN THE CONTINUOUS MANUFACTURE IN SITU, OF A CIRCULAR WAVEGUIDE FORMED OF A WIRE HELIX COMPRISING A CYLINDRICAL CORE, A PLURALITY OF BALL-RACES MOUNTED IN THE WALL OF SAID CORE SO THAT THEY PROJECT SLIGHTLY FROM THE OUTER SURFACE OF SAID CORE, WINDING MEANS MOUNTED IN A FIXED AXIAL RELATION TO SAID CORE AND A COLLAPSIBLE MANDREL ADAPTED TO BE CARRIED ON SAID BALL-RACES, SAID BALL-RACES AND SAID MANDREL MOVABLE AXIALLY WITH RESPECT TO ONE ANOTHER PROPORTIONATELY TO THE FORMATION OF SAID WAVEGUIDE WITHOUT DISTURBANCE OF THE THUS-FAR FORMED WAVEGUIDE BY VIRTUE OF THE COLLAPSE OF SAID SEGMENTS OF SAID MANDREL AT THE FORWARD END THEREOF, AND THE EXTRACTION OF SAID COLLAPSED SEGMENTS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |